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Wiraphan Sheets and Plates, based in Bangkok, Thailand, is a well-respected manufacturer and supplier of top-notch **Stainless Steel 904L Coils**, serving both local and global markets. The company has built a solid reputation for its exceptional quality and dependability, providing stainless steel products that boast strength, durability, and impressive resistance to corrosion. Stainless Steel 904L is a high-alloy austenitic grade specifically crafted for extremely corrosive environments, offering remarkable formability and weldability. With a commitment to strict quality standards, timely deliveries, and tailored solutions, Wiraphan has established itself as a reliable partner for various industries, including chemical processing, pharmaceuticals, marine engineering, and oil and gas.
The Stainless Steel 904L Coil is composed of 19–23% chromium, 23–28% nickel, 4–5% molybdenum, along with trace amounts of copper, which enhance its resistance to reducing acids like sulfuric acid. It showcases outstanding mechanical properties, featuring a tensile strength of 490–710 MPa, a yield strength of around 220 MPa, and an elongation of 35–40%, ensuring both toughness and durability. Its low carbon content helps prevent carbide precipitation, making it highly resistant to intergranular corrosion. This alloy also offers excellent resistance to chloride-induced stress corrosion cracking and pitting, making it perfect for use in highly aggressive and corrosive settings.
| Standard | ASTM A240, ASME SA240 |
| Thickness | 0.1mm to 12 mm Thk |
| Coil Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm etc. |
| Coil Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm etc. |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sandblast, Brush, etching. |
| Finish | Hot rolled (HR), Cold rolled (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated), Galvanized etc. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| SS 904L | 0.020 max | 2 max | 1.00 max | 0.040 max | 0.030 max | 19.00 – 23.00 | 4.00 – 5.00 max | 23.00 – 28.00 | 1.00 – 2.00 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 904L Coils and Slitting Coils offer exceptional corrosion resistance, particularly in highly acidic and chloride-rich environments, making them ideal for chemical processing, pharmaceuticals, and marine applications. Their resistance to pitting, crevice corrosion, and stress corrosion cracking ensures long-lasting performance in aggressive conditions. The high nickel and molybdenum content enhances their strength and durability, while their excellent weldability and formability make them easy to fabricate into complex shapes. With superior resistance to oxidation and high temperatures, Stainless Steel 904L coils provide reliability and longevity in demanding industrial environments.
Yes, we offer custom sizes for Stainless Steel 904L Coils to meet specific project needs. Our team at Wiraphan Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@wiraphansheetsplates.com.
| Grade | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5 | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
Stainless Steel 904L Coil is commonly utilized in chemical and petrochemical plants, especially for handling sulfuric acid, phosphoric acid, and acetic acid. It’s also used in the manufacturing of heat exchangers, condensers, and piping systems that are exposed to seawater and other aggressive chlorides. Additionally, this alloy is found in pharmaceuticals, the pulp and paper industry, and offshore oil and gas platforms. Its remarkable formability and weldability make it ideal for complex fabrication projects. With its superior corrosion resistance and durability, Stainless Steel 904L Coil guarantees long-lasting performance even in the toughest industrial environments.
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